Chapter XV: =ARBORESCENT LYCOPODIALES.= Pp. 92–195

=Lepidodendron= 93–181

i. General 93–97

ii. Leaves and Leaf-cushions 97–105

iii. _Lepidophloios_ 105–109

iv. The anatomy of _Lepidodendron vasculare_ 109–123

v. Lepidodendron stems as represented by casts and
impressions of partially decorticated specimens 123–128
_a._ _Knorria_ 124–126; _b._ _Bergeria_ 126, 127;
_c._ _Aspidiaria_ 127, 128.

vi. Lepidodendroid axes known as _Ulodendron_ and
_Halonia_ 128–139
_a._ _Ulodendron_ 128–135; _b._ _Halonia_ 135–139.

vii. Anatomical characters of vegetative Lepidodendron
shoots 139–181
1. _Lepidodendron esnostense_ 139, 140; 2. _L.
rhodumnense_ 140; 3. _L. saalfeldense_ 141;
4. _L. fuliginosum_ 141–160; 5. _L. Harcourtii_
160–163; 6. _L. Wünschianum_ 163–171; 7. _L.
macrophyllum_ 171; 8. _L. Veltheimianum_
171–177; 9. _L. Pedroanum_ 177, 178; 10. _L.
australe_ 178–181.

viii. Fertile shoots of Lepidodendreae 181–195
A. _Lepidostrobus_ 181–191. i. _Lepidostrobus
variabilis_ 187, 188; ii. _L. oldhamius_
188–190; iii. _L. Brownii_, etc. 190, 191.
B. _Spencerites_ 192–195.

CHAPTER XVI
=SIGILLARIA.= Pp. 196–226.

i. General 196–210; ii. Leaves 210–215; iii. Fertile
shoots 215–218; iv. The structure of Sigillarian
stems 218–224; v. _Sigillaria Brardi_ 224–226.

CHAPTER XVII
=STIGMARIA.= Pp. 227–247.

CHAPTER XVIII
=BOTHRODENDREAE.= Pp. 248–270.

_Bothrodendron_ 248–264. _a._ _B. minutifolium_ 251–253;
_b._ _B. punctatum_ 254, 255; _c._ _B. kiltorkense_
255–259. Anatomy of vegetative shoots of
_Bothrodendron_ 260–262; Cones of _Bothrodendron_
262–264.
_Pinakodendron_ 264
_Omphalophloios_ 264–266
General considerations 266–270

CHAPTER XIX
=SEED-BEARING PLANTS CLOSELY ALLIED TO
MEMBERS OF THE LYCOPODIALES.= Pp. 271–279.

i. _Lepidocarpon_ 271–275; ii. _Miadesmia_ 275–279.

CHAPTER XX
=FILICALES.= Pp. 280–323.

I. =Leptosporangiate Filicales= 283–316
Eufilicineae 284–316. Osmundaceae 285, 286;
Schizaeaceae 286–291; Matonineae 291–293; Loxsomaceae
293; Hymenophyllaceae 294; Cyatheaceae 294–296;
Dennstaedtiinae 296; Polypodiaceae 296; Parkeriaceae
297; Dipteridinae 298.
The habit, leaf-form, and distribution of ferns
300–309; The anatomy of ferns 309–316.

II. =Marattiales= 316–321

III. =Ophioglossales= 321–323

CHAPTER XXI
=FOSSIL FERNS.= Pp. 324–394.

=Osmundaceae= 324–346; =Schizaeaceae= 346–351; =Gleicheniaceae=
351–355; =Matonineae= 355–363; =Hymenophyllaceae= 363–365;
=Cyatheaceae= 365–375; =Polypodiaceae= 375–380; =Dipteridinae=
380–394.

CHAPTER XXII
=MARATTIALES (FOSSIL).= Pp. 395–411.

_Ptychocarpus_ 397; _Danaeites_ 398; _Parapecopteris_ 398;
_Asterotheca_ 398–400; _Hawlea_ 400; _Scolecopteris_ 401, 402;
_Discopteris_ 402–404; _Dactylotheca_ 404–406; _Renaultia_ 406;
_Zeilleria_ 407; _Urnatopteris_ 407; _Marattiopsis_ 407–409;
Danaeopsis 409; Nathorstia 410, 411.

CHAPTER XXIII
=PSARONIEAE.= Pp. 412–426.

CHAPTER XXIV
=OPHIOGLOSSALES (FOSSIL).= Pp. 427–431.

CHAPTER XXV

=COENOPTERIDEAE.= Pp. 432–472.

I. Botryoptereae 434–443

II. Zygoptereae 443–470

CHAPTER XXVI
=HYDROPTERIDEAE AND SAGENOPTERIS.= Pp. 473–483.

Marsiliaceae 473–475; Salviniaceae 475–477; _Sagenopteris_ 477–483.